Coating apparatus – Gas or vapor deposition – Object embedded in particulate mass
Patent
1989-12-15
1991-02-19
Bueker, Richard
Coating apparatus
Gas or vapor deposition
Object embedded in particulate mass
118725, C23C 1600, C23C 2000
Patent
active
049933590
ABSTRACT:
An apparatus (10) and a method for applying a chromized coating (46,60,62,66) to one or more of the surfaces of an article (44,56,58,64) particularly in those situations in which the article (44,56,58,64) is intended to be employed in an application wherein the article (44,56,58,64) will be subject to corrosion. The subject apparatus (10) includes a foundation (12), a retort (16) for receiving the articles (44,56,58,64) to which the chromized coating is to be applied, an inlet (24) formed in the retort (16) for supplying a fluid medium therewithin, an outlet (26) formed in the retort (16) for enabling the fluid medium to exit therefrom after passing therethrough, supports (14) for supporting the retort (16) in spaced relation to the foundation (12), a furnace (28) which is movable to and from a position wherein the furnace (28) is located in surrounding relation to the retort (16) such that the furnace (28) is operative to effect the heating of the retort (16) for a preestablished period of time at a predetermined temperature, an inlet (38) formed in the furnace (28) for supplying a fluid medium therewithin, an outlet (40) formed in the furnace (28) for enabling the fluid medium to exit therefrom after passing therethrough, and seals (42) for sealing off the furnace (28) and thereby also the retort (16) from the environment surrounding the furnace (28) while the retort (16) is being heated by the furnace (28).
REFERENCES:
patent: 3622374 (1971-11-01), Pike
patent: 4156042 (1979-05-01), Hayman
patent: 4232098 (1980-11-01), Park
patent: 4308160 (1981-12-01), Baldi
patent: 4528215 (1985-07-01), Baldi
patent: 4760244 (1988-07-01), Hokynar
Grant Harley A.
Lewis Everett C.
Bueker Richard
Combustion Engineering Inc.
Fournier, Jr. Arther E.
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